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TransactionOptions(mapping=None, *, ignore_unknown_fields=False, **kwargs)
TransactionOptions are used to specify different types of transactions.
For more info, see: https://cloud.google.com/spanner/docs/reference/rest/v1/Transaction
Attributes | |
---|---|
Name | Description |
read_write |
Transaction may write. Authorization to begin a read-write transaction requires spanner.databases.beginOrRollbackReadWriteTransaction
permission on the session resource.
|
partitioned_dml |
Partitioned DML transaction. Authorization to begin a Partitioned DML transaction requires spanner.databases.beginPartitionedDmlTransaction
permission on the session resource.
|
read_only |
Transaction will not write. Authorization to begin a read-only transaction requires spanner.databases.beginReadOnlyTransaction permission on
the session resource.
|
Classes
PartitionedDml
PartitionedDml(mapping=None, *, ignore_unknown_fields=False, **kwargs)
Message type to initiate a Partitioned DML transaction.
ReadOnly
ReadOnly(mapping=None, *, ignore_unknown_fields=False, **kwargs)
Message type to initiate a read-only transaction.
ReadWrite
ReadWrite(mapping=None, *, ignore_unknown_fields=False, **kwargs)
Message type to initiate a read-write transaction. Currently this transaction type has no options.